Manual of Riyadh Plants

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Part 3: Planning checklists for quick reference
421
A Open country
The plants recommended here can withstand harsh desert condi-
tions, including strong differences in temperatures between day
and night and summer and winter, as well as hot winds and
drought.
A annual
Bassia eriophora , 0.15 m, white............................................................................................................................... 64
Bassia scoparia , 0.3-1.3 m, green......................................................................................................................... 65
Reseda muricata , 0.4 m, green, yellow......................................................................................... 255
Rumex vesicarius , 0.5 m, red...................................................................................................................................... 264
A biennial
Asphodelus tenuifolius , 0.15-0.3 m, white............................................................................. 60
A perennial
Arundo donax , 2-6 m, pastel yellow........................................................................................................ 57
Blepharis ciliaris , 0.15-0.3 m, blue.................................................................................................................. 67
Citrullus colocynthis , 0.3 m, yellow..................................................................................................... 103
Echinops hussoni , 0.4-0.6 m, blue............................................................................................................. 133
Echinops spinosissimus , 0.7-1 m, white, pastel blue........................ 134
Encelia farinosa , 0.6-0.9 m, yellow........................................................................................................... 135
Heliotropium crispum , 0.5 m, white.................................................................................................. 160
Juncus rigidus , 1 m, light brown.................................................................................................................... 175
Kalanchoe daigremontiana , 0.5-1.2 m, bright orange, pastel lilac................ 177
Lasiurus scindicus , 0.3-1 m, white............................................................................................................ 184
Launaea nudicaulis , 0.5 m, yellow............................................................................................................. 186
Moricandia sinaica , 0.5-0.75 m, pastel pink, olive-green................... 203
Pennisetum setaceum , 0.9-1.2 m, pastel white................................................... 226
Pennisetum setaceum ‘Cupreum’ , 1.2-1.5 m, pale purple............... 226
Phragmites australis , 0.9-2.5 m, violet, magenta, black, white............. 233
Senecio cineraria , 0.15-1 m, yellow........................................................................................................ 278
Stipagrostis plumosa , 0.3-0.6 m, silver........................................................................................ 286
Withania somnifera , 1.5 m, pale green...................................................................................... 314
A sub-shrub
Aloe arborescens , 1-3 m, red, dark orange.......................................................................... 48
Aloe vera , 0.6-0.9 m, yellow, orange.......................................................................................................... 49
Atriplex leucoclada , 0.5 m, pale green............................................................................................... 62
Cassia italica , 0.5-0.6 m, yellow............................................................................................................................... 88
Convolvulus prostratus , 0.1-0.3 m, pastel white, pale pink................. 117
Pulicaria crispa , 0.4-0.5 m, yellow............................................................................................................. 251
Teucrium oliverianum , 0.4-0.7 m, violet, blue.................................................... 299
A shrub
Acacia cuthbertsonii , 3-5 m, yellow........................................................................................................... 21
Acacia iteaphylla , 3-4 m, pale yellow...................................................................................................... 26
Acacia ligulata , 1-5 m, deep yellow.............................................................................................................. 28
Acacia victoriae , 2-9 m, pale yellow........................................................................................................... 36
Adenium obesum , 1-6 m, deep pink, secondary: deep white........... 39
Atriplex halimus , 0.5-3 m, pale yellow.............................................................................................. 61
Calligonum comosum , 2-3 m, yellow, white.................................................................. 77
Callistemon citrinus , 2-5 m, bright red.......................................................................................... 78
Calotropis procera , 2-5 m, pastel white, secondary: pastel
violet, pastel purple......................................................................................................................................................................................... 80
Capparis spinosa , 0.3-1 m, white, purple.................................................................................. 82
Dodonaea viscosa , 1-5 m, light green............................................................................................ 129
Haloxylon persicum , 2-4 m, yellow...................................................................................................... 159
Lantana camara ‘Nana’ , 0.3-0.6 m, yellow, orange, red............ 182
Lawsonia inermis , 4-6 m, pale pink..................................................................................................... 189
Leucophyllum frutescens , 1.5-2.5 m, purple............................................................. 191
Lycium shawii , 4 m, white, lilac........................................................................................................................ 195
Maerua crassifolia , 5 m, light yellow................................................................................................. 197
Ochradenus baccatus , 3 m, yellow............................................................................................................ 214
Prosopis farcta , 0.4-2 m, green, yellow....................................................................................... 247
Rhanterium epapposum , 0.4-0.8 m, yellow.................................................................. 256
Rhazya stricta , 1 m, white.................................................................................................................................................... 257
Tamarix gallica , 4-7 m, white, secondary: pale pink....................... 293
Zilla spinosa , 0.6 m, pale blue, pale violet........................................................................ 318
Ziziphus nummularia , 2 m, yellow.......................................................................................................... 321
Zygophyllum coccineum , 0.5-0.75 m, yellow......................................................... 324